20921633313

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{7753}}^1$

素因数の和:7974

約数の個数: 64

約数和(自身を含む): 34396495872

約数和(自身を除く): 13474862559

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 151, 161, 259, 453, 483, 777, 851, 1057, 2553, 3171, 3473, 5587, 5957, 7753, 10419, 16761, 17871, 23259, 24311, 39109, 54271, 72933, 117327, 128501, 162813, 178319, 286861, 385503, 534957, 860583, 899507, 1170703, 1248233, 2008027, 2698521, 3512109, 3744699, 6024081, 6597803, 8194921, 19793409, 24584763, 26926169, 43316011, 46184621, 80778507, 129948033, 138553863, 188483183, 303212077, 565449549, 909636231, 996268253, 2988804759, 6973877771, 20921633313]

約数ペア:

[(1, 20921633313), (3, 6973877771), (7, 2988804759), (21, 996268253), (23, 909636231), (37, 565449549), (69, 303212077), (111, 188483183), (151, 138553863), (161, 129948033), (259, 80778507), (453, 46184621), (483, 43316011), (777, 26926169), (851, 24584763), (1057, 19793409), (2553, 8194921), (3171, 6597803), (3473, 6024081), (5587, 3744699), (5957, 3512109), (7753, 2698521), (10419, 2008027), (16761, 1248233), (17871, 1170703), (23259, 899507), (24311, 860583), (39109, 534957), (54271, 385503), (72933, 286861), (117327, 178319), (128501, 162813)]